CARTRIDGE Russian patent published in 2014 - IPC F42B5/02 F42B12/32 F42B12/42 

FIELD: weapons and ammunition.

SUBSTANCE: signal cartridge includes case and grenade, which are connected by a link destroyed during firing. The grenade includes a shell, plastic fairing, and several pyrotechnical blocks with channels, installed in the grenade cavity in series. The shell is made in the form of cup with guide girdle and propelling gunpowder charge and pyrotechnical delay element placed at the shell bottom. Delay element is designed for required delay time of propeller charge actuation after firing. Plastic fairing is connected to the case by a link destroyed during propeller charge actuation. The case is made of plastic with external diametric recess moulded at the open end. The fairing is moulded together with thin-wall extension by which it is mounted on the external diametric case recess and attached to it. Mechanical sound wave generator is mounted inside the fairing and its extension. Generator is powered by kinetic energy of gas jet produced either by oncoming air flow or by gunpowder gas from combustion of gunpowder charge contained in the generator.

EFFECT: generation of signal well seen at large distances.

1 dwg